68226545 has 8 divisors (see below), whose sum is σ = 81916224. Its totient is φ = 54551664.

The previous prime is 68226539. The next prime is 68226547. The reversal of 68226545 is 54562286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68226545 - 2⁸ = 68226289 is a prime.

It is a super-2 number, since 2×68226545² = 9309722885274050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68226499 and 68226508.

It is not an unprimeable number, because it can be changed into a prime (68226547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15812 + ... + 19658.

It is an arithmetic number, because the mean of its divisors is an integer number (10239528).

Almost surely, 2^68226545 is an apocalyptic number.

It is an amenable number.

68226545 is a deficient number, since it is larger than the sum of its proper divisors (13689679).

68226545 is a wasteful number, since it uses less digits than its factorization.

68226545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7399.

The product of its digits is 115200, while the sum is 38.

The square root of 68226545 is about 8259.9361377677. The cubic root of 68226545 is about 408.6182815556.

The spelling of 68226545 in words is "sixty-eight million, two hundred twenty-six thousand, five hundred forty-five".